<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script src="node_modules/vue/dist/vue.js"></script>
<body>

<div id="app">
    <h2>
        <input type="text" v-model="name"/>

    </h2>
</div>
<script>
    var app = new Vue({
        el:"#app",
        data:{
            name:"haha"
        },
        
    });


</script>

</body>
</html>